Home / 9,503.12-13,113.60-5,310.56

Finding the Fourth Proportional to 9,503.12, 13,113.60 and 5,310.56

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Solution

The fourth proportional to 9,503.12, 13,113.60 and 5,310.56 is: 7,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.12 : 13,113.60 = 5,310.56 : x
  2. Step 2: Convert to fraction form
    9,503.12/13,113.60 = 5,310.56/x
  3. Step 3: Cross multiply
    9,503.12x = 13,113.60 × 5,310.56
  4. Step 4: Simplify right side
    9,503.12x = 69,640,572.49
  5. Step 5: Solve for x
    x = 69,640,572.49/9,503.12
  6. Step 6: Final answer
    x = 7,328.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.